Phase transitions in random surfaces

M. Baig, D. Espriu, J. F. Wheater

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Abstract

We investigate the statistical properties of triangulated random surfaces of fixed connectivity embedded in d-dimensional space and weighted with an action that contains the extrinsic curvature of the surface as well as the usual Nambu-Goto term. Numerically, we find no second-order phase transition for finite values of the rigidity coupling, in contrast to results obtained by Kantor and Nelson using a different action. Rather, there is a third order "crumpling" transition which, however, is not associated with an infinite correlation length between the normals to the surface. We compare the Monte Carlo results with several approximations, particularly with the mean field solution of the model. Our results indicate that there are no fixed points other than those already found in perturbation theory. We comment on several other aspects of random surfaces. © 1989.
Original languageEnglish
Pages (from-to)587-608
JournalNuclear Physics, Section B
Volume314
Issue number3
DOIs
Publication statusPublished - 6 Mar 1989

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    Baig, M., Espriu, D., & Wheater, J. F. (1989). Phase transitions in random surfaces. Nuclear Physics, Section B, 314(3), 587-608. https://doi.org/10.1016/0550-3213(89)90409-4